diff --git a/pkgs/by-name/pr/pre-commit/package.nix b/pkgs/by-name/pr/pre-commit/package.nix
index db54398eb037..432cfcf4f135 100644
--- a/pkgs/by-name/pr/pre-commit/package.nix
+++ b/pkgs/by-name/pr/pre-commit/package.nix
@@ -95,7 +95,7 @@ python3Packages.buildPythonApplication (finalAttrs: {
   preCheck = ''
     export GIT_AUTHOR_NAME=test GIT_COMMITTER_NAME=test \
            GIT_AUTHOR_EMAIL=test@example.com GIT_COMMITTER_EMAIL=test@example.com \
-           VIRTUALENV_NO_DOWNLOAD=1 PRE_COMMIT_NO_CONCURRENCY=1
+           PRE_COMMIT_NO_CONCURRENCY=1
   ''
   + lib.optionalString (!i686Linux) ''
     # Resolve `.NET location: Not found` errors for dotnet tests